Kathy Alby bundles up for a bike ride Thursday on Michigan Avenue near North Seventh Street. Temperatures are expected to approach zero degrees starting Sunday.

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Temperatures could hit nearly 40 degrees today and Saturday in the Sheboygan area, but there will be a bite to the air thanks to below-zero wind chills that forecasters say will usher in a cold snap throughout much of southeastern Wisconsin.

An Arctic air mass is predicted to settle over the region beginning early Sunday, according to the National Weather Service, bringing a high of just 14 degrees during the day and 10 degrees Monday, with below-zero temperatures overnight.

"It's probably one of the colder stretches that we've seen (this winter)," said Rudy Schaar, a meteorologist with the ...